-84.11% is the change from 409 to 65
Calculation steps:
[( 65 - 409 ) ÷ 409] x 100 = -84.11%
Formula
Percentage change = [(65 - 409) / 409] x 100
Subtract the new number by the original number
65 - 409 = -344
-344 ÷ 409 = -0.8410757946210269
-0.8410757946210269 x 100 = -84.11%